Updated function name to add*New*UsersToGroups
Updated function name to add*New*UsersToGroups and cleaned up indentation
Update README.md

fixed indentation issues identified by Evan
Merge branch 'master' of https://github.com/Esri/ago-tools
Fixing indentation again.
Merge pull request #8 from oevans/master

Updated function name to add*New*UsersToGroups and cleaned up indentation in README.